A special breed of Homo, often considered extremist in their behavior and responses to people who believe they are gay. There are many Closet Homosexuals in the world who, through acceptance and respect by their peers, end up coming out of the closet; however, the Airtight Closet Homosexual tends to deny the fact that they are gay 100% of the time every time they are suspected as such.
u4got: Hey Walt, did you like how majestic the flag pole was at the game last night?
Walt: WTF STFU NO, IT WAS DIRTY AND GROSS AND I WASN'T EVEN PAYING ATTENTION TO IT.
u4got: omg SUCH an airtight closet homosexual.